Virtualisation. Solutions like VMware, Hyper-V, and Citrix Xen Server, offer totally free solutions. Run multiple server solutions on one hardware box, reducing hardware costs by a usual factor of six.
3. Open source
Open source solutions are available that are highly effective and totally free, if your time is free. (Open source software is free software - you only pay for support).
Information management is now easy, practical, affordable and a necessity.